TY - JOUR AU - Vlastimil Dlab TI - On a problem of Mazur and Ulam about irreducible generating systems in groups JO - Colloquium Mathematicum PY - 1959 SP - 171 EP - 176 VL - 7 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-7-2-171-176/ DO - 10.4064/cm-7-2-171-176 LA - en ID - 10_4064_cm_7_2_171_176 ER -